the total assets of a company is $10 million and its tax rate is 40% the company that estimates that its earnings befor interest and tax will be $3

the total assets of a company is $10 million and its tax rate is 40% the company that estimates that its earnings befor interest and tax will be $3 million with 20% probability , 2million with 50% probability and $500000 with a 30% probability calculate the return on equity for the following leverage ratios. the interest rate is 0% ,10% and 50%.